The answer is: E. It became a military superpower in the world but lacked a strong economy.
During the 20th century, United states more than 20% of its GDP to be allocated into millitary spending, which make us able to become a millitary superpower and contribute greatly to the victories during the world war I.
There is a downside to this. Large allocation to millitary budget means that there would be less that can be allocated to build things such as infrastructures, loans, government sponsored jobs, etc. Which is why the economy of united states at that era was a little bit lacking.
Thousands of Allied troops were marched to their death as they walked to their prison camp. They were treated miserably, often hit and told to march all day.
Very few of the many Allied troops that marched survived
hope this helps
The reasons the United States wrote and proposed the declaration of independence is listed in the main body, located by the grievances. However, in summary, Enlightenment thinkers such as John Locke, Voltaire, and Montesquieu gave people light and hope of their own self worth. England was raising major taxes and trampling on the human rights, proposed by John Locke. Overall, England was raising major taxes, and treating the colonies unfairly.
The answer is: Boxer Rebellion